Features: This road stud light is designed to guide vehicle and pedestrian to right direction. Solar power, environmentally friendly. It is recharged by solar panels under sun light, automatic charging during the day. Durable casting aluminum construction can deal with the outdoor environment, durable and waterproof. Viewing distance up to1000 meters, which can effectively provide the driver with safe driving direction. Simple design matches various landscapes and styles, ideal for lighting road, driveway, pathway yard and more. Specification: Material: cast aluminum Luminous frequency: 2HZ or normal on Battery: 1.2v 800MA nickel hydrogen rechargeable battery Light source color: yellow Light source: led Visible distance: 1000m Working voltage :1.2v Size :103 * 103 * 22mm / 4.1 * 4.1 * 0.9in Weight: 338 g / 11.9 oz(approx.) Application: 1. The road section with four or more lanes back and forth, but no separation zone in the middle and insufficient light at night; 2. Urban sidewalks, intersections, zebra crossings (deceleration tips), vehicle diversion points (around the triangular ground horizontal line), and railway ramp entrances; 3. Sharp turning roads, foggy areas (seaside and airport roads), expressways and unlit roads; 4. Guide line positions at the entrance and exit of the viaduct and tunnel, toll lanes, accident prone areas, park paths, etc., need to beautify the night scene and other areas and roads. Package list: 1 x Road Stud Light